AquaChek Hardness Test Strips

Total Hardness Test Strips from AquaChek test for calcium and magnesium, which are the two minerals that primarily make up hardness in water.
These test strips are much easier to use than cumbersome and expensive liquid test kits.

Tests for Total Water Hardness:

Low Range (up to 120 ppm)

High Range (from 250 to 1,000 ppm)

Just dip an AquaChek Total Hardness strip in your pool or spa water for one second and remove it immediately. You get test results in seconds!

Product notes: Low hardness levels can be very corrosive to your system, causing significant damage to a spa's metal components, as well as pool plaster. High hardness contributes to scale formation and cloudy water. Be sure to balance hardness before adding sanitizer or the water will become even more corrosive and can cause severe damage in a short period of time.